10556144430 has 64 divisors (see below), whose sum is σ = 27299764800. Its totient is φ = 2596893696.

The previous prime is 10556144419. The next prime is 10556144471. The reversal of 10556144430 is 3444165501.

It is a super-2 number, since 2×10556144430² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10556144391 and 10556144400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738996 + ... + 753144.

It is an arithmetic number, because the mean of its divisors is an integer number (426558825).

Almost surely, 2^10556144430 is an apocalyptic number.

10556144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10556144430 is an abundant number, since it is smaller than the sum of its proper divisors (16743620370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10556144430 is a wasteful number, since it uses less digits than its factorization.

10556144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16085.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 10556144430 in words is "ten billion, five hundred fifty-six million, one hundred forty-four thousand, four hundred thirty".